CVE-2026-39571 PUBLISHED

WordPress Instantio plugin <= 3.3.30 - Sensitive Data Exposure vulnerability

Assigner: Patchstack
Reserved: 07.04.2026 Published: 08.04.2026 Updated: 08.04.2026

Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in Themefic Instantio instantio allows Retrieve Embedded Sensitive Data.This issue affects Instantio: from n/a through <= 3.3.30.

Product Status

Vendor	Themefic
Product	Instantio
Versions	Default: unaffected affected from 0 to 3.3.30 (incl.)

Credits

Que Thanh Tuan | Patchstack Bug Bounty Program finder

References

https://patchstack.com/database/Wordpress/Plugin/instantio/vulnerability/wordpress-instantio-plugin-3-3-30-sensitive-data-exposure-vulnerability?_s_id=cve

Problem Types

Exposure of Sensitive System Information to an Unauthorized Control Sphere CWE

Impacts

Retrieve Embedded Sensitive Data